statvfs.c

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/*
    This file is part of darktable,
    Copyright (C) 2016-2017 Peter Budai.
    Copyright (C) 2017 Tobias Ellinghaus.
    Copyright (C) 2020 Pascal Obry.
    Copyright (C) 2022 Martin Bařinka.
    
    darktable is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    
    darktable is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with darktable.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#include "system/mem_alloc.h"
#include <glib.h>
 
#include <string.h>
 
//#include <winpr/crt.h>
#include "win/win.h"
 
#include "statvfs.h"
 
int statvfs(const char *path, struct statvfs *buf)
{
  BOOL res;
 
  DWORD lpSectorsPerCluster = 0;
  DWORD lpBytesPerSector = 0;
  DWORD lpNumberOfFreeClusters = 0;
  DWORD lpTotalNumberOfClusters = 0;
  char szDrive[4];
 
  szDrive[0] = path[0];
  szDrive[1] = ':';
  szDrive[2] = '\\';
  szDrive[3] = '\0';
 
  wchar_t *wszDrive = g_utf8_to_utf16(szDrive, -1, NULL, NULL, NULL);
 
  res = GetDiskFreeSpaceW(wszDrive, &lpSectorsPerCluster, &lpBytesPerSector, &lpNumberOfFreeClusters,
                         &lpTotalNumberOfClusters);
 
  dt_free(wszDrive);
 
  buf->f_bsize = lpBytesPerSector;                        /* file system block size */
  buf->f_frsize = lpBytesPerSector * lpSectorsPerCluster; /* fragment size */
  buf->f_blocks = lpTotalNumberOfClusters;                /* size of fs in f_frsize units */
  buf->f_bfree = lpNumberOfFreeClusters;                  /* # free blocks */
  buf->f_bavail = lpNumberOfFreeClusters;                 /* # free blocks for unprivileged users */
  buf->f_files = 0;                                       /* # inodes */
  buf->f_ffree = 0;                                       /* # free inodes */
  buf->f_favail = 0;                                      /* # free inodes for unprivileged users */
  buf->f_fsid = lpNumberOfFreeClusters & 0xffff;          /* file system ID */
  buf->f_flag = 0;                                        /* mount flags */
  buf->f_namemax = 250;                                   /* maximum filename length */
 
  if(res != 0)
    return 0;
  else
    return 1;
}
 
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